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The Model 268 Over & Under Voltage Monitor is designed to ensure that the monitored operating voltage remains within a 120 VAC band. This device uses a dual op-amp comparator circuit to achieve stable and repeatable trip set-points.

The output relay is energized only when the voltage being monitored remains between the upper and lower set-points. Voltages above or below the set-points will de-energize the relay, and illuminate the appropriate indicator LED.

The Model 268 Over & Under Voltage Monitor is designed for continuous duty operation.

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Additional Information





VF Function

Voltage Band Monitor

Voltage Range